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BS EN 60704-2-2:2010

BS EN 60704-2-2:2010

$102.76

Household and similar appliances. Test code for the determination of airborne acoustical noise – Particular requirements for fan heaters

Published By Publication Date Number of Pages
BSI 2010 16
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This clause of part 1 is applicable except as follows:

1.1 Scope

1.1.1 General

Replacement:

This standard applies to electric fan heaters, designed for placing on the floor, table or counter, etc., or for wall-mounting.

This standard does not apply to

  • electric storage room heaters;

  • room humidifiers;

  • room dehumidifiers;

  • air cleaners;

  • heaters designed exclusively for industrial purposes.

1.1.2 Types of noise

Replacement:

ISO 3743-1, ISO 3743-2 and ISO 3744 can be used for measuring noise emitted by fan heaters.

1.1.3 Size of the source

Replacement:

The method specified in ISO 3744 is applicable to noise sources of any size. When applying ISO 3743-1 and ISO 3743-2, care should be taken that the maximum size of the appliance under test fulfils the requirements specified in Subclause 1.3 of ISO 3743-1 and ISO 3743-2.

1.2 Object

Addition:

The frequency range of interest for sound power determination on fan heaters includes at least the octave bands with centre frequencies from 63 Hz to 8000 Hz.

NOTE 1 In many cases, the 63 Hz octave band level does not participate significantly to the A-weighted level.

NOTE 2 When measuring this 63 Hz octave band, a special attention should be paid to the room effect.

Requirements for the declaration of noise emission values are not within the scope of this standard.

NOTE 3 For determining and verifying noise emission values, declared in product specifications, see IEC 60704-3.

1.3 Measurement uncertainty

Replacement:

The estimated values of standard deviations of sound power levels, determined according to this standard, are as follows:

1.101 Standard deviation for declaration and verification

For the purpose of determining and verifying declared noise emission values according to IEC 60704-3, the following values apply:

PDF Catalog

PDF Pages PDF Title
5 CONTENTS
6 INTRODUCTION
7 1 Scope and object
1.1 Scope
1.2 Object
8 1.3 Measurement uncertainty
2 Normative references
3 Terms and definitions
4 Measurement methods and acoustical environments
5 Instrumentation
9 6 Operation and location of appliances under test
6.1 Equipping and pre-conditioning of appliances
6.2 Supply of electric energy and of water or gas
11 7 Measurement of sound pressure levels
8 Calculation of sound pressure and of sound power levels
9 Information to be recorded
10 Information to be reported
13 Annexes

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BS EN 60704-2-2:2010
$102.76